<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
	</head>
	<body>
	  <!--变量-->
	  <script type="text/javascript">
	  	var x , y , z = 10;
	  	var name = "赵宇辉";
	  	var m = true;
	  	console.log(typeof h);
	  	console.log(typeof z);
	  	console.log(typeof(name));
	  	console.log(typeof m);
	  </script>
	</body>
</html>
